{
   "$schema":"http://json-schema.org/draft-03/schema#",
   "id":"http://schemas.opengis.net/gsr/1.0/sfs.json",

	"title":"simple fill symbol",
	"type":"object",
	"extends":{
		"$ref":"http://schemas.opengis.net/gsr/1.0/marker.json"
	},
	"properties":{
		"type":{
			"title":"marker type",
			"type":"string",
			"required":true,
			"enum":["SFS"]
		},
		"style":{
			"title":"marker style",
			"description":"value SHOULD be SFSBackwardDiagonal, SFSCross, SFSDiagonalCross, SFSForwardDiagonal, SFSHorizontal, SFSNull, SFSSolid, SFSVertical",
			"type":"string",
			"required":true
		},
		"color":{
			"$ref":"http://schemas.opengis.net/gsr/1.0/color.json",
			"required":true
		},
		"outline":{
			"$ref":"http://schemas.opengis.net/gsr/1.0/sls.json"
		}
	}
}